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All results from a given calculation for C4H10O2 (1,4-Butanediol)

using model chemistry: B1B95/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-308.737614
Energy at 298.15K-308.749191
Nuclear repulsion energy245.631143
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B1B95/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3876 3701 0.00      
2 Ag 3057 2919 0.00      
3 Ag 2985 2850 0.00      
4 Ag 1537 1467 0.00      
5 Ag 1500 1432 0.00      
6 Ag 1470 1404 0.00      
7 Ag 1384 1321 0.00      
8 Ag 1269 1211 0.00      
9 Ag 1119 1069 0.00      
10 Ag 1072 1023 0.00      
11 Ag 1047 1000 0.00      
12 Ag 356 340 0.00      
13 Ag 334 319 0.00      
14 Au 3121 2980 71.54      
15 Au 3018 2881 116.74      
16 Au 1322 1262 2.53      
17 Au 1222 1166 3.49      
18 Au 943 900 2.63      
19 Au 757 723 0.60      
20 Au 280 267 248.83      
21 Au 95 91 18.19      
22 Au 79 76 1.54      
23 Bg 3099 2959 0.00      
24 Bg 3018 2882 0.00      
25 Bg 1312 1253 0.00      
26 Bg 1288 1230 0.00      
27 Bg 1182 1129 0.00      
28 Bg 813 776 0.00      
29 Bg 276 263 0.00      
30 Bg 155 148 0.00      
31 Bu 3876 3701 38.26      
32 Bu 3065 2926 58.95      
33 Bu 2985 2850 117.14      
34 Bu 1540 1470 7.95      
35 Bu 1509 1440 3.49      
36 Bu 1468 1402 17.67      
37 Bu 1304 1245 103.82      
38 Bu 1206 1151 29.63      
39 Bu 1108 1058 206.61      
40 Bu 1011 965 5.03      
41 Bu 519 495 38.24      
42 Bu 133 127 5.92      

Unscaled Zero Point Vibrational Energy (zpe) 31353.4 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 29936.2 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B1B95/6-31G**
ABC
0.57756 0.03855 0.03713

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.503 2.639 0.000
O2 -1.503 -2.639 0.000
C3 1.503 1.226 0.000
C4 -1.503 -1.226 0.000
C5 0.062 0.759 0.000
C6 -0.062 -0.759 0.000
H7 2.418 2.937 0.000
H8 -2.418 -2.937 0.000
H9 -0.436 1.184 0.878
H10 -0.436 1.184 -0.878
H11 0.436 -1.184 0.878
H12 0.436 -1.184 -0.878
H13 -2.020 -0.823 -0.885
H14 -2.020 -0.823 0.885
H15 2.020 0.823 -0.885
H16 2.020 0.823 0.885

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O16.07381.41304.89632.36883.74070.96166.81612.57842.57844.06474.06475.01785.01782.08512.0851
O26.07384.89631.41303.74072.36886.81610.96164.06474.06472.57842.57842.08512.08515.01785.0178
C31.41304.89633.87941.51492.52761.94005.71842.12912.12912.77782.77784.17054.17051.10111.1011
C44.89631.41303.87942.52761.51495.71841.94002.77782.77782.12912.12911.10111.10114.17054.1705
C52.36883.74071.51492.52761.52233.20814.45031.09541.09542.16402.16402.76042.76042.14922.1492
C63.74072.36882.52761.51491.52234.45033.20812.16402.16401.09541.09542.14922.14922.76042.7604
H70.96166.81611.94005.71843.20814.45037.60773.46203.46204.65594.65595.88295.88292.32602.3260
H86.81610.96165.71841.94004.45033.20817.60774.65594.65593.46203.46202.32602.32605.88295.8829
H92.57844.06472.12912.77781.09542.16403.46204.65591.75602.52293.07383.10562.55653.04452.4819
H102.57844.06472.12912.77781.09542.16403.46204.65591.75603.07382.52292.55653.10562.48193.0445
H114.06472.57842.77782.12912.16401.09544.65593.46202.52293.07381.75603.04452.48193.10562.5565
H124.06472.57842.77782.12912.16401.09544.65593.46203.07382.52291.75602.48193.04452.55653.1056
H135.01782.08514.17051.10112.76042.14925.88292.32603.10562.55653.04452.48191.77044.36194.7075
H145.01782.08514.17051.10112.76042.14925.88292.32602.55653.10562.48193.04451.77044.70754.3619
H152.08515.01781.10114.17052.14922.76042.32605.88293.04452.48193.10562.55654.36194.70751.7704
H162.08515.01781.10114.17052.14922.76042.32605.88292.48193.04452.55653.10564.70754.36191.7704

picture of 1,4-Butanediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C3 C5 107.956 O1 C3 H15 111.458
O1 C3 H16 111.458 O2 C4 C6 107.956
O2 C4 H13 111.458 O2 C4 H14 111.458
C3 O1 H7 108.055 C3 C5 C6 112.657
C3 C5 H9 108.235 C3 C5 H10 108.235
C4 O2 H8 108.055 C4 C6 C5 112.657
C4 C6 H11 108.235 C4 C6 H12 108.235
C5 C3 H15 109.468 C5 C3 H16 109.468
C5 C6 H11 110.465 C5 C6 H12 110.465
C6 C4 H13 109.468 C6 C4 H14 109.468
C6 C5 H9 110.465 C6 C5 H10 110.465
H9 C5 H10 106.559 H11 C6 H12 106.559
H13 C4 H14 107.015 H15 C3 H16 107.015
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.551      
2 O -0.551      
3 C 0.029      
4 C 0.029      
5 C -0.237      
6 C -0.237      
7 H 0.315      
8 H 0.315      
9 H 0.127      
10 H 0.127      
11 H 0.127      
12 H 0.127      
13 H 0.095      
14 H 0.095      
15 H 0.095      
16 H 0.095      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.140 6.741 0.000
y 6.741 -43.376 0.000
z 0.000 0.000 -37.877
Traceless
 xyz
x 14.486 6.741 0.000
y 6.741 -11.367 0.000
z 0.000 0.000 -3.119
Polar
3z2-r2-6.239
x2-y217.236
xy6.741
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.036 1.149 0.000
y 1.149 8.348 0.000
z 0.000 0.000 6.472


<r2> (average value of r2) Å2
<r2> 282.572
(<r2>)1/2 16.810